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Finding the Fourth Proportional to 153,898.20, 230,799.30 and 60,432.60

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Solution

The fourth proportional to 153,898.20, 230,799.30 and 60,432.60 is: 90,630.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,898.20 : 230,799.30 = 60,432.60 : x
  2. Step 2: Convert to fraction form
    153,898.20/230,799.30 = 60,432.60/x
  3. Step 3: Cross multiply
    153,898.20x = 230,799.30 × 60,432.60
  4. Step 4: Simplify right side
    153,898.20x = 13,947,801,777.18
  5. Step 5: Solve for x
    x = 13,947,801,777.18/153,898.20
  6. Step 6: Final answer
    x = 90,630.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.